| ss | semis; one half; ¹Ý |
|---|---|
| beta [Greek letter beta] | an anomer of a carbohydrate; buffer capacity; carbon separated from a carboxyl by one other carbon i... |
| D1 | diagonal one; first dorsal vertebra |
| 1-D | one-dimensional |
| DO | Doctor of Osteopathy (one of two fully recognized medical practioners in the US-the other being MD);... |